headers/private/kernel/messaging.h

   1 /*
   2  * Copyright 2005, Ingo Weinhold, bonefish@users.sf.net. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 // kernel-internal interface for the messaging service
   7
   8 #ifndef MESSAGING_H
   9 #define MESSAGING_H
  10
  11 #include <OS.h>
  12
  13 #ifdef __cplusplus
  14 extern "C" {
  15 #endif
  16
  17 typedef struct messaging_target {
  18         port_id port;
  19         int32   token;
  20 } messaging_target;
  21
  22 status_t init_messaging_service();
  23
  24 status_t send_message(const void *message, int32 messageSize,
  25         const messaging_target *targets, int32 targetCount);
  26
  27 // syscalls
  28 area_id _user_register_messaging_service(sem_id lockingSem, sem_id counterSem);
  29 status_t _user_unregister_messaging_service();
  30
  31 #ifdef __cplusplus
  32 }
  33 #endif
  34
  35
  36 // C++ only
  37
  38 #ifdef __cplusplus
  39
  40 namespace BPrivate {
  41         class KMessage;
  42 }
  43
  44 status_t send_message(const BPrivate::KMessage *message,
  45         const messaging_target *targets,
  46         int32 targetCount);
  47
  48 #endif  // __cplusplus
  49
  50 #endif  // MESSAGING_H